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java.lang.NullPointerException: 	at org.hibernate.tuple.AbstractEntityTuplizer.createProxy(AbstractEntityTuplizer.java:372)	at org.hibernate.persister.entity.AbstractEntityPersister.createProxy(AbstractEntityPersister.java:3121)	at org.hibernate.event.def.DefaultLoadEventListener.createProxyIfNecessary(DefaultLoadEventListener.java:232)	at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:173)	at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:87)	at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:869)	at org.hibernate.impl.SessionImpl.internalLoad(SessionImpl.java:838)	at org.hibernate.type.EntityType.resolveIdentifier(EntityType.java:266)	at org.hibernate.type.EntityType.resolve(EntityType.java:303)	at org.hibernate.engine.TwoPhaseLoad.initializeEntity(TwoPhaseLoad.java:113)	at org.hibernate.loader.Loader.initializeEntitiesAndCollections(Loader.java:842)	at org.hibernate.loader.Loader.doQuery(Loader.java:717)	at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:224)	at org.hibernate.loader.Loader.doList(Loader.java:2150)	at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2029)	at org.hibernate.loader.Loader.list(Loader.java:2024)	at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:369)	at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:300)	at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:146)	at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1093)	at org.hibernate.impl.QueryImpl.list(QueryImpl.java:79)	at txdps.dl.bpr.di.data.dao.ConvictionDAO.search(ConvictionDAO.java:87)	at txdps.dl.bpr.di.business.ActionBusiness.search(ActionBusiness.java:18)	at txdps.dl.bpr.di.controller.ConvictionController.getTargetPage(ConvictionController.java:159)	at org.springframework.web.servlet.mvc.AbstractWizardFormController.processFormSubmission(AbstractWizardFormController.java:503)	at org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:256)	at org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:139)	at org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:44)	at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:684)	at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:625)	at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:392)	at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:357)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)	at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:1006)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)	at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)	at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6718)	at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)	at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:121)	at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3764)	at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2644)	at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)	at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)